code: def get_no_audio(
      return_as_byte=True, return_nonbyte_as_file=False, sr=None
  ):
      if return_as_byte:
          return b""
      else:
          if return_nonbyte_as_file:
              return None
          else:
              assert sr is not None
              return sr, np.array([]).astype(np.int16)
  
file_path: h2ogpt/src/tts_utils.py
imports: import io
  import librosa
  import numpy
  import pydub
  from src.utils import have_pyrubberband
label_desc: Use image node_id 3 for calling a global function with example usage: get_no_audio(return_as_byte, return_nonbyte_as_file, sr) and returns: bytes, None, sr,  np